• Programmable buttons for a customized experience: The RollerMouse Pro is the original centered, ergonomic computer mouse – and it's still top-of-the-line.The unique design keeps your hand and wrist in a natural position, and the roller bar allows for precise cursor control without having to move your hand back and forth. The built-in copy/paste buttons make it easy to quickly transfer text or images between applications, and the dedicated buttons for forward/backward navigation make web browsing a breeze.
• Plug & Play installation: Connect the RollerMouse Pro to your PC or Mac via Bluetooth, the USB receiver or cable depending on your preferred method. Fits both full-width and compact keyboards. Control multiple screens and customize the programmable buttons to your favorite shortcut functions.
• Colors: Black
  
• Available in 3 wrist rest sizes: Slim, Regular, and Extended
  

• Slim: 15” length x 4.3” depth x .9” tall

• Regular: 15” length x 5.9” depth x .9” tall

• Extended: 16.6” length x 5.9” depth x .9” tall

Specifications:

• Measurements:15 in x 4.2 in x 0.9 in
• Number of buttons:6 programmable buttons
• DPI:10 levels (600-2800 DPI)
• OS support: Windows and OSX
• Battery life: 3 months battery lifetime
• Product Materials: Recycled plastic (various fabrics for wrist rests)
• Click Resistance: 5 levels
• warranty: 2 years guarantee

Take a proactive approach to your health at works with a centered mouse that allows you to do desk work comfortably and ergonomically. With the RollerMouse Pro, you control everything; cursor navigation, programmable buttons and a large scroll wheel are all centralized right in front of you. We have built it like this to prevent you from stretching, twisting and straining. It is seamless to customize it to match your personal preferences with the magnetic wrist rests that come in different sizes and materials.